reduce parallax tiles to 9 indefinitely

Assets/Game/Scripts/SpaceParallaxLayerBehavior.cs

@@ -7,12 +7,30 @@ public class SpaceParallaxLayerBehavior : MonoBehaviour {
 	public GameObject m_StarLayerPrefab = null;
 	public float m_ParallaxMultiplier = 1.0f;
 	float m_Scale = 0.0f;
+	public GameObject m_Container;
 
-	List<SpaceParallaxTileBehavior> m_Tiles = new List<SpaceParallaxTileBehavior>();
+	// 3x3 parallax tiles around the camera, don't need more
+	SpaceParallaxTileBehavior[,] m_Tiles = new SpaceParallaxTileBehavior[3,3];
 
 	// Use this for initialization
 	void Start () {
 		m_Scale = m_StarLayerPrefab.transform.localScale.x;
+
+		Vector3 cameraPosition = Camera.main.gameObject.transform.position;
+		int xPos = (int)(cameraPosition.x / m_Scale);
+		int yPos = (int)(cameraPosition.y / m_Scale);
+
+		for (int y = -1; y <= 1; y++) {
+			for (int x = -1; x <= 1; x++) {
+				Vector3 realSpace = new Vector3 ((xPos + x) * m_Scale, (yPos + y) * m_Scale, 0);
+
+				GameObject obj = Instantiate<GameObject> (m_StarLayerPrefab);
+				obj.transform.parent = m_Container.transform;
+				SpaceParallaxTileBehavior pl = obj.GetComponent<SpaceParallaxTileBehavior> ();
+				pl.OriginalPosition = realSpace;
+				m_Tiles[y + 1, x + 1] = pl;
+			}
+		}
 	}
 	
 	// Update is called once per frame
@@ -20,7 +38,7 @@ public class SpaceParallaxLayerBehavior : MonoBehaviour {
 		Vector3 cameraPosition = Camera.main.gameObject.transform.position;
 
 		// add new tiles if necessary
-		AddTiles (cameraPosition);
+		UpdateTilePositions (cameraPosition);
 
 		// update the layer offset for each tile
 		Vector3 offset = cameraPosition * m_ParallaxMultiplier;
@@ -30,7 +48,7 @@ public class SpaceParallaxLayerBehavior : MonoBehaviour {
 	}
 
 	// add new tiles if necessary
-	void AddTiles(Vector3 cameraPosition) {
+	void UpdateTilePositions(Vector3 cameraPosition) {
 
 		int xPos = (int)(cameraPosition.x / m_Scale);
 		int yPos = (int)(cameraPosition.y / m_Scale);
@@ -38,21 +56,7 @@ public class SpaceParallaxLayerBehavior : MonoBehaviour {
 		for( int y = -1; y <= 1; y++) {
 			for( int x = -1; x <= 1; x++) {
 				Vector3 realSpace = new Vector3((xPos + x) * m_Scale, (yPos + y) * m_Scale, 0);
-
-				bool found = false;
-				foreach (SpaceParallaxTileBehavior tile in m_Tiles) {
-					if(closeEnough(tile.OriginalPosition, realSpace)) {
-						found = true;
-						break;
-					}
-				}
-
-				if(!found) {
-					GameObject obj = Instantiate<GameObject>(m_StarLayerPrefab);
-					SpaceParallaxTileBehavior pl = obj.GetComponent<SpaceParallaxTileBehavior>();
-					pl.OriginalPosition = realSpace;
-					m_Tiles.Add(pl);
-				}
+				m_Tiles [y + 1, x + 1].OriginalPosition = realSpace;
 			}
 		}
 
@@ -61,6 +65,7 @@ public class SpaceParallaxLayerBehavior : MonoBehaviour {
 	bool closeEnough(Vector3 a, Vector3 b) {
 		return closeEnough (a.x, b.x) && closeEnough (a.y, b.y);
 	}
+
 	bool closeEnough(float a, float b) {
 		return (a >= b - m_Scale * 0.25f && a <= b + m_Scale * 0.25f);
 	}

Assets/Standard Assets/Characters/PhysicsMaterials.meta

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ProjectSettings/ProjectVersion.txt

-m_EditorVersion: 5.1.0f3
+m_EditorVersion: 5.3.6f1
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